145235311820203 has 8 divisors (see below), whose sum is σ = 158447960354880. Its totient is φ = 132024236347080.

The previous prime is 145235311820201. The next prime is 145235311820299. The reversal of 145235311820203 is 302028113532541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145235311820203 - 2¹ = 145235311820201 is a prime.

It is a super-2 number, since 2×145235311820203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145235311820201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393072333 + ... + 393441646.

It is an arithmetic number, because the mean of its divisors is an integer number (19805995044360).

Almost surely, 2^{145235311820203} is an apocalyptic number.

145235311820203 is a deficient number, since it is larger than the sum of its proper divisors (13212648534677).

145235311820203 is a wasteful number, since it uses less digits than its factorization.

145235311820203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786530777.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 145235311820203 in words is "one hundred forty-five trillion, two hundred thirty-five billion, three hundred eleven million, eight hundred twenty thousand, two hundred three".